A randomized 25 question test from a pool of 761 questions, good luck!
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will have the least amount of scalability?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best be used with discrete data where more information is needed?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the NIC interacts with?
A typical DCS has at least four layers in it's architecture. Valves, switches and transmitters are all under the direct control of which of the layers below?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
The leased lines in a SCADA system provides a communication link between locations that is a dedicated one. Which of the environments below would the leased lines reside?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
The design and utilization of a SCADA system requires the approval of several layers of government. Which of the terms below would best be described as what a regulatory body would define and enforce?
Which answer below is best described as the RS-485 standard for voltage range to transmit a "Mark"?
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the holding registers addresses?
A typical HMI has several subsystems attached to it. Which of the subsystems below would be involved in the guardianship HMI operating system?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the largest in area covered?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that the scanner module receives information communicated digitally from up to 63 supported devices?
There are several duties done by each layer within the a typical DCS. Which of the levels below is where the basic process control is performed?
Which of the cable types are best used for the spur cables in an H1 transmission system?
There are several different network access methods available to wireless Ethernet. Which of the methods below is the one used by wireless Ethernet?
I to P converters are best defined as which of the following answers?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
In a DCS, there is a controller scan cycle priority that should have enough time to execute all tasks. Which of the answers below represents the about of free time for a loaded DCS controller to function?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
With IPv4, you would use static address assignment over dynamic for this primary reason?
In IPv4, the user datagram protocol has less latency and measurable greater data throughput. Which of the answers below can be a drawback of this protocol?
Multi-path interference is a ________ source of radio wave deterioration. Choose from the answers below to best fill in the blank